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题名: Cobalt nanoparticles encapsulated in nitrogen-doped carbon as a bifunctional catalyst for water electrolysis
作者: Wang, Jing1, 2;  Gao, Dunfeng1, 2;  Wang, Guoxiong1;  Miao, Shu3;  Wu, Haihua1, 2;  Li, Jiayuan1, 2;  Bao, Xinhe1, 3
刊名: JOURNAL OF MATERIALS CHEMISTRY A
发表日期: 2014
DOI: 10.1039/c4ta04337e
卷: 2, 期:47, 页:20067-20074
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Energy & Fuels ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Materials Science
英文摘要: The hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) are important electrocatalytic processes in water electrolyzers. Identifying efficient non-precious metal catalysts for HER and OER remains a great challenge for applications in different kinds of electrolyzers. Herein, we report that cobalt nanoparticles encapsulated in nitrogen-doped carbon (Co@N-C) show high activity and durability for HER in a wide pH range and for OER in alkaline medium as a bifunctional catalyst. The HER and OER activities of Co@N-C are higher than those of multiwall carbon nanotube and iron nanoparticles encapsulated in nitrogen-doped carbon with a similar content of nitrogen. Electrolyzer prototypes using Nafion NRE-212 as electrolyte membrane and Co@N-C as cathode or anode catalyst are constructed, showing potential practical applications in water splitting.
关键词[WOS]: HYDROGEN EVOLUTION REACTION ;  ELECTROCATALYTIC OXYGEN EVOLUTION ;  MOS2 ULTRATHIN NANOSHEETS ;  LI-ION BATTERIES ;  MOLYBDENUM SULFIDE ;  REDUCTION REACTION ;  ALKALINE MEDIA ;  NANOTUBES ;  EFFICIENT ;  GRAPHENE
语种: 英语
WOS记录号: WOS:000345066900017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145559
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China

Recommended Citation:
Wang, Jing,Gao, Dunfeng,Wang, Guoxiong,et al. Cobalt nanoparticles encapsulated in nitrogen-doped carbon as a bifunctional catalyst for water electrolysis[J]. JOURNAL OF MATERIALS CHEMISTRY A,2014,2(47):20067-20074.
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